<template>
	<view v-if="goods_info.goods_name" class="goods-detail-container">
		<!-- 轮播图区域 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item, i) in goods_info.pics" :key="i"><image :src="item.pics_big" @click="pervie(i)"></image></swiper-item>
		</swiper>

		<!-- 商品信息区域 -->
		<view class="goods-info-box">
			<!-- 商品价格 -->
			<view class="price">￥{{ goods_info.goods_price }}</view>
			<!-- 商品信息主体区域 -->
			<view class="goods-info-body">
				<!-- 商品的名字 -->
				<view class="goods-name">{{ goods_info.goods_name }}</view>
				<!-- 收藏 -->
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<!-- 运费 -->
			<view class="yf">快递：免运费</view>
		</view>
		<!-- 商品详情信息 -->
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>

		<!-- 商品导航区域 -->
		<view class="goods_nav"><uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick" @buttonClick="buttonClick" /></view>
	</view>
</template>

<script>
import { mapState, mapMutations, mapGetters } from 'vuex';
export default {
	computed: {
		...mapState('m_cart', ['cart']),
		...mapGetters('m_cart', ['total'])
	},
	watch: {
		total: {
			handler(newval) {
				const findResult = this.options.find(x => x.text === '购物车');
				if (findResult) {
					findResult.info = newval;
				}
			},
			immediate: true
		}
	},
	data() {
		return {
			goods_info: {},
			options: [
				{
					icon: 'shop',
					text: '店铺',
					infoBackgroundColor: '#007aff',
					infoColor: '#f5f5f5'
				},
				{
					icon: 'cart',
					text: '购物车',
					info: 0
				}
			],
			buttonGroup: [
				{
					text: '加入购物车',
					backgroundColor: 'linear-gradient(90deg, #FFCD1E, #FF8A18)',
					color: '#fff'
				},
				{
					text: '立即购买',
					backgroundColor: 'linear-gradient(90deg, #FE6035, #EF1224)',
					color: '#fff'
				}
			]
		};
	},
	methods: {
		async getGoodsDetail(goods_id) {
			const { data: res } = await uni.$http.get('/api/public/v1/goods/detail', { goods_id: goods_id });
			if (res.meta.status !== 200) return uni.$showMsg();

			res.message.goods_introduce = res.message.goods_introduce.replace(/<img/g, '<img style="display:block;"').replace(/webp/g, 'jpg');

			this.goods_info = res.message;
		},
		//大图预览功能
		pervie(i) {
			uni.previewImage({
				current: i,
				urls: this.goods_info.pics.map(x => x.pics_big)
			});
		},
		onClick(e) {
			if (e.content.text === '购物车') {
				uni.switchTab({
					url: '/pages/cart/cart'
				});
			}
		},
		buttonClick(e) {
			if (e.content.text === '加入购物车') {
				//组织商品的信息对象
				//{} goods_id,goods_name.goods_price,goods_count,goods_small_logo,goods_state
				const goods = {
					goods_id: this.goods_info.goods_id,
					goods_name: this.goods_info.goods_name,
					goods_price: this.goods_info.goods_price,
					goods_count: 1,
					goods_small_logo: this.goods_info.goods_small_logo,
					goods_state: true
				};
				this.addToCart(goods);
			}
		},
		...mapMutations('m_cart', ['addToCart'])
	},
	onLoad(options) {
		const goods_id = options.goods_id;
		this.getGoodsDetail(goods_id);
	}
};
</script>

<style lang="less">
swiper {
	height: 750rpx;
	image {
		width: 100%;
		height: 100%;
	}
}
.goods-info-box {
	padding: 10px;
	padding-right: 0px;
	.price {
		color: #c00000;
		font-size: 18px;
		margin: 10px 0px;
	}
	.goods-info-body {
		display: flex;
		justify-content: space-between;
		.goods-name {
			font-size: 13px;
			margin-right: 10px;
		}
		.favi {
			width: 120px;
			font-size: 12px;
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			border-left: 1px solid #efefef;
			color: gray;
		}
	}
	.yf {
		font-size: 12px;
		color: gray;
		margin: 10px 0;
	}
}

.goods_nav {
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
}
.goods-detail-container {
	padding-bottom: 50px;
}
</style>
